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Merge pull request #13171 from brendandahl/struct-tree

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[api-minor] Add support for basic structure tree for accessibility.
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Tim van der Meij 2021-04-09 21:32:44 +02:00 • committed by GitHub
commit 03c8c89002
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22 changed files with 911 additions and 14 deletions
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web/base_viewer.js
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@ -41,6 +41,7 @@ import { AnnotationLayerBuilder } from "./annotation_layer_builder.js";
import { NullL10n } from "./l10n_utils.js";
import { PDFPageView } from "./pdf_page_view.js";
import { SimpleLinkService } from "./pdf_link_service.js";
import { StructTreeLayerBuilder } from "./struct_tree_layer_builder.js";
import { TextLayerBuilder } from "./text_layer_builder.js";
import { XfaLayerBuilder } from "./xfa_layer_builder.js";
@ -545,6 +546,7 @@ class BaseViewer {
textLayerMode: this.textLayerMode,
annotationLayerFactory: this,
xfaLayerFactory,
structTreeLayerFactory: this,
imageResourcesPath: this.imageResourcesPath,
renderInteractiveForms: this.renderInteractiveForms,
renderer: this.renderer,
@ -1328,6 +1330,16 @@ class BaseViewer {
});
}
/**
* @param {PDFPage} pdfPage
* @returns {StructTreeLayerBuilder}
*/
createStructTreeLayerBuilder(pdfPage) {
return new StructTreeLayerBuilder({
pdfPage,
});
}
/**
* @type {boolean} Whether all pages of the PDF document have identical
* widths and heights.